Spa Bathtub Pool, Endless Swimming Pool with Water JetOur JOYSPA JY8603 is a one -piece miniature pool, made of fiberglass-reniforced acrylic. it produces a resistant current that can be set to varying strengths, depending on the fitness level of the person using the pool. it also includes an swim-in-place harness for swimming or to provide resistance during exercise. for swimming , water aerobics, jogging or even walking, you can use ouor JOYSPA JY8603. you really can enjoy the best of both worlds-the ultimate in water-based fitness and relaxation. and with its small size, our swim spa is easier to maintain and more affordable than a traditional pool.----------------------manufacturing Shop & Production Process------------------------